On Wed, May 27, 2015 at 03:40:32PM -0300, Paulo Zanoni wrote:
> 2015-05-07 14:38 GMT-03:00 Damien Lespiau <damien.lespiau@xxxxxxxxx>:
> > We now have a special macro for those cases.
>
> I'm not sure if this patch is an improvement. Before it, we always
> knew which "switch" statement was bad since we used to print either
> "PDiv" or "KDiv". After the patch, it will not be possible to know
> from which switch statement the error came from. Of course, there's
> the advantage of at least knowing the value. I'd vote to either skip
> this patch, or improve the MISSING_CASE macro to be able to account
> for multiple uses on the same function. But I'm open to arugmentation
> :)
MISSING_CASE is a WARN, which also prints the line number. Not enough?
-Daniel
>
> >
> > Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_ddi.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> > index b9d5d65..ab327a1 100644
> > --- a/drivers/gpu/drm/i915/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/intel_ddi.c
> > @@ -1145,7 +1145,7 @@ static void skl_wrpll_params_populate(struct skl_wrpll_params *params,
> > params->pdiv = 4;
> > break;
> > default:
> > - WARN(1, "Incorrect PDiv\n");
> > + MISSING_CASE(p0);
> > }
> >
> > switch (p2) {
> > @@ -1162,7 +1162,7 @@ static void skl_wrpll_params_populate(struct skl_wrpll_params *params,
> > params->kdiv = 3;
> > break;
> > default:
> > - WARN(1, "Incorrect KDiv\n");
> > + MISSING_CASE(p2);
> > }
> >
> > params->qdiv_ratio = p1;
> > --
> > 2.1.0
> >
> > _______________________________________________
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> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
>
>
> --
> Paulo Zanoni
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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